brother Paul
Member
Although I have only skimmed a few posts, I will bet that one line of argument for the "Jesus is God" part of the Trinity has not been addressed. In other words, as a believer in the doctrine of the Trinity, I suggest that while it is admittedly conceptually tricky to say Jesus and God are two persons within a single "God-substance", there is a much clearer route to go down, even if it means we have to know our Bible story rather well.
It is this: In the Old Testament, we have the sub-narrative of God abandoning the Temple (at its destruction by the Babylonians) and not returning even after Herod built the second temple coupled with prophecies that He (God) will indeed return to His people. Now fast-forward to the gospels and perhaps in particular the gospel of Luke. In that book, Jesus arguably intentionally enacts the return of God to His people through His final march into Jerusalem. Given the things Jesus says en route, and the symbolic power of such a trek, a case can be made that Jesus is saying this: My life, my ministry, and this very last march of mine constitute the promised return of God to Israel.
And that is effectively Jesus saying: I, Jesus, am fulfilling this promised return of your God.
And that is as close a claim to co-divinity as I think you could expect.